Banerji, J., H. Maheshwari, and M. Bose. “Some Plant Fossils from the Gopad River Section Near Nidpur, Sidhi District, Madhya Pradesh”. Journal of Palaeosciences, vol. 23, no. 1-3, Dec. 1974, pp. 59-71, doi:10.54991/jop.1974.952.